| 摘要 |
PURPOSE: A molten steel injection apparatus is provided to insert a brick into an injection pipe and to seal the gap between the brick and the injection pipe with a sealant, thereby preventing the injection pipe from being damaged by molten steel. CONSTITUTION: A molten steel injection apparatus an injection pipe(10), a brick(20) and a sealant(30). The injection pipe is formed on one side of the injection apparatus that supplies molten steel to a centrifugal-casting machine manufacturing a roll, wherein the molten steel flows. The brick is inserted into the inner side of the injection pipe and formed with a flow hole through which the molten steel flows. The sealant is injected in between the injection pipe and the brick for the molten steel not to leak.
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